Mark Christopher Lawrence is a character actor, stand-up comedian and voice-over artist. He is perhaps best known for his role as D.J., Tone Deaf, in the 1994 satirical rap mockumentary, Fear of a Black Hat, and as Big Mike in the television series Chuck. He has co-starred in popular films such as Terminator 2: Judgment Day, Planet of the Apes, Lost Treasure and The Pursuit of Happyness.